DE3718972C2 - - Google Patents

Info

Publication number
DE3718972C2
DE3718972C2 DE3718972A DE3718972A DE3718972C2 DE 3718972 C2 DE3718972 C2 DE 3718972C2 DE 3718972 A DE3718972 A DE 3718972A DE 3718972 A DE3718972 A DE 3718972A DE 3718972 C2 DE3718972 C2 DE 3718972C2
Authority
DE
Germany
Prior art keywords
sound
lens
transducer
radius
solid body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE3718972A
Other languages
German (de)
English (en)
Other versions
DE3718972C3 (de
DE3718972A1 (de
Inventor
Hitoshi Ohme Tokio/Tokyo Jp Tateoka
Fumio Hachioji Tokio/Tokyo Jp Uchino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Publication of DE3718972A1 publication Critical patent/DE3718972A1/de
Application granted granted Critical
Publication of DE3718972C2 publication Critical patent/DE3718972C2/de
Publication of DE3718972C3 publication Critical patent/DE3718972C3/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/30—Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
DE3718972A 1986-06-06 1987-06-05 Schallinse zur Verwendung in einem Schallmikroskop Expired - Fee Related DE3718972C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13151186 1986-06-06

Publications (3)

Publication Number Publication Date
DE3718972A1 DE3718972A1 (de) 1987-12-17
DE3718972C2 true DE3718972C2 (zh) 1991-08-01
DE3718972C3 DE3718972C3 (de) 1994-07-28

Family

ID=15059745

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3718972A Expired - Fee Related DE3718972C3 (de) 1986-06-06 1987-06-05 Schallinse zur Verwendung in einem Schallmikroskop

Country Status (3)

Country Link
US (1) US4881618A (zh)
DE (1) DE3718972C3 (zh)
GB (1) GB2192281B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USH2049H1 (en) * 1998-08-24 2002-10-01 Us Air Force Differential property sensitive acoustic lens

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295629A (en) * 1963-05-28 1967-01-03 Manlabs Inc Acoustical wave translation device
US3687219A (en) * 1969-06-09 1972-08-29 Holotron Corp Ultrasonic beam expander
US3825887A (en) * 1972-04-03 1974-07-23 Fibra Sonics Ultrasonic band transmission, focusing, measuring and encoding systems
US3866711A (en) * 1973-06-04 1975-02-18 Us Navy Solid ultrasonic lens doublet
US4384231A (en) * 1979-05-11 1983-05-17 Hitachi, Ltd. Piezoelectric acoustic transducer with spherical lens
DE3063803D1 (en) * 1980-02-08 1983-07-28 Hitachi Ltd Ultrasonic transducer using ultra high frequency
JPS57120250A (en) * 1981-12-07 1982-07-27 Victor Co Of Japan Ltd Reproducing stylus
JPS58216294A (ja) * 1982-06-10 1983-12-15 松下電器産業株式会社 音響レンズ
JPS5844343A (ja) * 1982-08-13 1983-03-15 Hitachi Ltd 音波探触子
JPS5950937A (ja) * 1982-09-14 1984-03-24 Fuji Kiko Co Ltd 多条ｖプ−リの成形方法
JPS60149963A (ja) * 1984-01-18 1985-08-07 Hitachi Ltd 超音波顕微鏡

Also Published As

Publication number Publication date
GB2192281A (en) 1988-01-06
DE3718972C3 (de) 1994-07-28
US4881618A (en) 1989-11-21
GB2192281B (en) 1990-01-17
DE3718972A1 (de) 1987-12-17
GB8713229D0 (en) 1987-07-08

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DE3718972C2 (zh)

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8305 Restricted maintenance of patent after opposition
D4 Patent maintained restricted
8339 Ceased/non-payment of the annual fee